Colour

#53180C

#53180C
Red
Dark
Nearest: Saddle brown

#53180C is a red with RGB values 83, 24, 12 and HSL 10°, 75%, 19%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#53180C#53180C

HEX#53180C

RGBrgb(83, 24, 12)

RGB (0–1)0.3255, 0.0941, 0.0471

RGB percentages32.5%, 9.4%, 4.7%

HSLhsl(10.1, 74.7%, 18.6%)

HSV / HSBhsv(10.1, 85.5%, 32.5%)

CMYK0%, 71.1%, 85.5%, 67.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,445,644

CSS custom property--colour: #53180C;

Brightness & contrast

Relative luminance0.02519WCAG 2.x, 0 is black and 1 is white

Perceived brightness49.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.96:1

Contrast with white13.96:1WCAG normal text: AAA

Contrast with black1.5:1WCAG normal text: Fail

Greyscale equivalent#242424

Inverted#ACE7F3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#29240Ano red cones; affects about 1% of men; ΔE 29.3 from the original

Deuteranopia#37310Ano green cones; the most common form, about 1% of men; ΔE 29.7 from the original

Tritanopia#5C0716no blue cones; rare, and affects men and women equally; ΔE 11.4 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text13.96:1WCAG large text: AAA

Contrast with black, large text1.5:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 27.1 Maroon · ΔE 27.6 Sienna · ΔE 29.2 Brown · ΔE 31.3 Dark red · ΔE 32.5 Black · ΔE 39.1

Nearest named CSS colourSaddle brown (#8B4513)ΔE 27.12, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#0C4753

Analogous#530C24, #533B0C

Triadic#0C5318, #180C53

Split complementary#0C533B, #0C2453

Tetradic#24530C, #0C4753, #3B0C53

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#E46147

Lighter +30%#D93F1F

Lighter +20%#AC3219

Lighter +10%#802512

Darker −10%#260B06

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#5F1000

Less saturated −25%#472018

Channel breakdown

R83

G24

B12

Red83 (32.5%)

Green24 (9.4%)

Blue12 (4.7%)

Hue10.14°

Saturation (HSL)74.74%

Lightness18.63%

Dominant channelRed

Hex per channelR 53 · G 18 · B 0C

Keep nerding

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#53180C

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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